Auto Exposure Control - Imi Tech Mx-xxxxG Series User's Operation Manual

Page 40
4.2.

Auto Exposure Control

The automatic shutter/gain mode is based on a feedback loop which calculates the average pixel luminance. Then
the average is compared with the exposure reference value, adjusting shutter and gain accordingly. This feature is
similar to "Contrast Control"
Inquiry Register
Address
F0F00504h
Status Control Register
Address
F0F00804h
-
One_Push
ON/OFF
A_M_Mode
-
Value
Name Field
AUTO_EX Presence_Inq
POSURE_
Abs_Control_Inq
INQ
-
One_Push_Inq
ReadOut_Inq
ON/OFF_Inq
Auto_Inq
Manual_Inq
Min_Value
Max_Value
Name Field
AUTO_EX Presence_Inq
POSURE
Abs_Control
-
One_Push
ON_OFF
AMAZON SERIES Operation Manual
0: Control with value in Value field
1: Control with value in Absolute value
CSR if this bit =1, value in Value filed is ignored
[2..4] Reserved
[5] Write '1': begin to work (Self cleared after the
operation)
Read : Value='1' in operation
Value ='0' not in operation
If A_M_Mode=1, this bit is ignored
[6] Write: ON or OFF this feature
Read: read a status
0: OFF, 1: ON
If this bit=0, other fields will be read only.
[7] Write: Set the mode
Read: Read a current mode
0: Manual, 1: Auto
[8..19] Reserved
[20..31] Minimum value for this feature control
Bit Description
[0] Presence of this feature
[1] Capability of control with absolute value
[2] Reserved
[3] One push auto mode (Controlled automatically by
camera only once)
[4] Capability of reading the value of this feature
[5] Capability of switching this feature ON and OFF
[6] Automode (Controlled automatically by camera)
[7] Manual mode (Controlled by user)
[8..19] Minimum value for this feature control
[20..31] Maximum value for this feature control
Bit Description
[0] Presence of this feature
0: N/A, 1: Available
[1] Absolute value control
0: Control with value in the Value field
1: Control with value in the Absolute value CSR
If this bit = 1, value in the Value field is ignored.
[2..4] Reserved
[5] Write '1' :begin to work(Self cleared after
operation)
Read: Value='1' in operation Value='0' not in
operation
If A_M_Mode =1, this bit is ignored
[6]
Write: ON or OFF this feature,
P i o n e e r i n D i g i t a l V i s i o n T e c h n o l o g y